Home / 351,070,500.85-484,476,081.85-202,390,913.03

Finding the Fourth Proportional to 351,070,500.85, 484,476,081.85 and 202,390,913.03

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Solution

The fourth proportional to 351,070,500.85, 484,476,081.85 and 202,390,913.03 is: 279,298,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,070,500.85 : 484,476,081.85 = 202,390,913.03 : x
  2. Step 2: Convert to fraction form
    351,070,500.85/484,476,081.85 = 202,390,913.03/x
  3. Step 3: Cross multiply
    351,070,500.85x = 484,476,081.85 × 202,390,913.03
  4. Step 4: Simplify right side
    351,070,500.85x = 98,053,556,548,274,880
  5. Step 5: Solve for x
    x = 98,053,556,548,274,880/351,070,500.85
  6. Step 6: Final answer
    x = 279,298,762.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.